Home / 457,645.64-631,620.89-292,145.10

Finding the Fourth Proportional to 457,645.64, 631,620.89 and 292,145.10

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Solution

The fourth proportional to 457,645.64, 631,620.89 and 292,145.10 is: 403,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,645.64 : 631,620.89 = 292,145.10 : x
  2. Step 2: Convert to fraction form
    457,645.64/631,620.89 = 292,145.10/x
  3. Step 3: Cross multiply
    457,645.64x = 631,620.89 × 292,145.10
  4. Step 4: Simplify right side
    457,645.64x = 184,524,948,071.14
  5. Step 5: Solve for x
    x = 184,524,948,071.14/457,645.64
  6. Step 6: Final answer
    x = 403,204.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.